Question

calcule o valor numerico de 2x+y/3-yx para x= -2ey=1

Answer 1

2.(-2)+(1)/3-(1)(-2)
-4+1/3-(-2)
-3/5

Answer 2

2(-2)+1/3-(-2)(1)=
-4+1/3-(-2)=
-3/3+2=
-3/5
Resp.:S:{-3/5}